current_scope.rb in influxer-1.4.0

- old
+ new

@@ -1,8 +1,12 @@
 # frozen_string_literal: true
 
-require "active_support/per_thread_registry"
+if Influxer.thread_registry_support?
+  require "active_support/per_thread_registry"
+else
+  require "active_support/core_ext/module/delegation"
+end
 
 module Influxer
   module Scoping
     module CurrentScope # :nodoc:
       # Clone of current_scope methods for newer versions of ActiveModel
@@ -13,10 +17,20 @@
       def current_scope=(scope)
         ScopeRegistry.set_value_for(:current_scope, name, scope)
       end
 
       class ScopeRegistry # :nodoc:
-        extend ActiveSupport::PerThreadRegistry
+        if Influxer.thread_registry_support?
+          extend ActiveSupport::PerThreadRegistry
+        else
+          class << self
+            delegate :value_for, :set_value_for, to: :instance
+
+            def instance
+              ActiveSupport::IsolatedExecutionState[:influxer_scope_registry] ||= new
+            end
+          end
+        end
 
         VALID_SCOPE_TYPES = [:current_scope].freeze
 
         def initialize
           @registry = Hash.new { |hash, key| hash[key] = {} }